Question

Approximation of $u \in \mathrm{H}^1_0(\Omega)$ by a sequence whose gradient is smaller than that of $u$

score 229 · Answer 1 · 2026-04-13 16:49:40

229

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Approximation of $u \in \mathrm{H}^1_0(\Omega)$ by a sequence whose gradient is smaller than that of $u$

Published on 13 Apr 2026 - 16:49

score 119 · Answer 2 · 2026-04-13 03:08:02

119

Views

Probability of randomly selecting a number in the set ${2^n}$ from positive natural numbers?

Published on 13 Apr 2026 - 3:08

score 32 · Answer 3 · 2026-04-15 15:28:07

32

Views

m-th digit approximation of the limit of a convergent serie

Published on 15 Apr 2026 - 15:28

score 584 · Answer 4 · 2026-04-09 05:53:13

584

Views

What is a polynomial approximation?

Published on 09 Apr 2026 - 5:53

score 35 · Answer 5 · 2026-04-16 19:13:06

35

Views

Solution or approximation of $\int_0^r exp(-g\sqrt{x^2+2b*x+c})dx$

Published on 16 Apr 2026 - 19:13

score 57 · Answer 6 · 2026-04-13 14:50:47

57

Views

Can we approximate a Lipschitz singular map with locally invertible maps?

Published on 13 Apr 2026 - 14:50

score 57 · Answer 7 · 2026-04-10 13:37:48

57

Views

How to find closest approximation to a matrix multiplied by a scalar

Published on 10 Apr 2026 - 13:37

score 69 · Answer 8 · 2026-04-12 17:27:10

69

Views

A limit integral inequality

Published on 12 Apr 2026 - 17:27

score 88 · Answer 9 · 2026-04-12 10:39:44

88

Views

Approximation of a sum

Published on 12 Apr 2026 - 10:39

score 51 · Answer 10 · 2026-04-12 04:31:34

51

Views

does there exist such sequence?(Maybe Dirichlet Approximation Theory is needed)

Published on 12 Apr 2026 - 4:31

score 4.2k · Answer 11 · 2026-04-13 16:07:09

4.2k

Views

What does it mean for a polynomial to be the 'best' approximation of a function around a point?

Published on 13 Apr 2026 - 16:07

score 183 · Answer 12 · 2026-04-16 00:29:49

183

Views

Approximating $\int_1^\infty x^a (x-1)^b e^{cx}dx$

Published on 16 Apr 2026 - 0:29

score 114 · Answer 13 · 2026-04-14 16:22:15

114

Views

Taylor polynomial for 1/(1-x) around 0 only in -1 < x < 1, but why?

Published on 14 Apr 2026 - 16:22

score 105 · Answer 14 · 2026-04-16 09:55:55

105

Views

Approximating $\int_0^1 x\sin xdx$

Published on 16 Apr 2026 - 9:55

score 89 · Answer 15 · 2026-04-15 18:24:14

89

Views

Why is integration used so widely though they are just approximation?

Published on 15 Apr 2026 - 18:24

List Question

Approximation of $u \in \mathrm{H}^1_0(\Omega)$ by a sequence whose gradient is smaller than that of $u$

Probability of randomly selecting a number in the set ${2^n}$ from positive natural numbers?

m-th digit approximation of the limit of a convergent serie

What is a polynomial approximation?

Solution or approximation of $\int_0^r exp(-g\sqrt{x^2+2b*x+c})dx$

Can we approximate a Lipschitz singular map with locally invertible maps?

How to find closest approximation to a matrix multiplied by a scalar

A limit integral inequality

Approximation of a sum

does there exist such sequence?(Maybe Dirichlet Approximation Theory is needed)

What does it mean for a polynomial to be the 'best' approximation of a function around a point?

Approximating $\int_1^\infty x^a (x-1)^b e^{cx}dx$

Taylor polynomial for 1/(1-x) around 0 only in -1 < x < 1, but why?

Approximating $\int_0^1 x\sin xdx$

Why is integration used so widely though they are just approximation?

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